This project aims to create an easy to use, extendable and customizable server for a MMORPG called "MU Online".

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C3 F1 01 - Login075 (by client)

Is sent when

The player tries to log into the game.

Causes the following actions on the server side

The server is authenticating the sent login name and password. If it’s correct, the state of the player is proceeding to be logged in.


Index Length Data Type Value Description
0 1 Byte 0xC3 Packet type
1 1 Byte 48 Packet header - length of the packet
2 1 Byte 0xF1 Packet header - packet type identifier
3 1 Byte 0x01 Packet header - sub packet type identifier
4 10 Binary   Username; The user name, “encrypted” with Xor3.
14 10 Binary   Password; The password, “encrypted” with Xor3.
24 4 IntegerBigEndian   TickCount
28 3 Binary   ClientVersion
31 16 Binary   ClientSerial